# SDR SWAA2024100128840

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2024
- Submitted: October 1, 2024
- Operation: Air carrier
- Aircraft: [N7852A](https://openairdocs.org/aircraft/N7852A), registered now
- Make and model: Boeing 737-71B
- Registry model: [Boeing 737-71B](https://openairdocs.org/model/boeing-737-71b) (OpenAirDocs)
- Aircraft serial: 29371
- Aircraft time: 51,472 hours, 32,335 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024100128840

## Discrepancy

CORROSION ON SUBTHRESHOLD WEB AT ACB BS796 - BS847 RBL26 WL159. MARKED<[01] CHANGED ALLOWABLE DAMAGE IN STEP 1;[02] EDITED REFERENCE;[03] REMOVED AND REPLACED SUBTHRESHOLD WEB AT ACB BS796 - BS847 RBL26 WL159 PER SRM 51-40-02-0G-0 AND BOEING DWG 146A8340.;[04] INSTALLED SUBTHRESHOLD WEB AT ACB BS796 - BS847 RBL26 WL159 PER SRM 51-40-02-0G-0 AND BOEING DWG 146A8340. REV-;[05] VERIFIED RII CORRECTIVE ACTION ITEM 3; CARD COMPLETE.

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